Cita APA (7th ed.)

HARRE, R. (1970). The Method of science. Wykeham.

Cita Chicago (17th ed.)

HARRE, R. The Method of Science. London: Wykeham, 1970.

Cita MLA (9th ed.)

HARRE, R. The Method of Science. Wykeham, 1970.

Atenció: Aquestes cites poden no estar 100% correctes.